This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A263253 #14 Dec 22 2024 09:07:53 %S A263253 2,3,3,3,5,6,7,8,9,10,12,13,14,14,15,17,18,18,18,19,20,21,22,22,23,24, %T A263253 25,26,27,27,28,29,30,30,31,33,33,34,35,36,37,38,38,39,39,41,42,42,43, %U A263253 44,45,45,48,49,50,51,52,53,54,55,56,59,59,59,60,62,64,64,66,67,67,68,69,70,72,73 %N A263253 Partial sums of A263251. %H A263253 Antti Karttunen, <a href="/A263253/b263253.txt">Table of n, a(n) for n = 0..10000</a> %H A263253 A. Karttunen, <a href="https://oeis.org/plot2a?name1=A263253&name2=A263252&tform1=untransformed&tform2=untransformed&shift=0&radiop1=ratio&drawlines=true">Ratio a(n)/A263252(n) drawn with OEIS Plot2-script</a> %F A263253 a(0) = A263251(n); for n >= 1, a(n) = A263251(n) + a(n-1). %o A263253 (PARI) \\ See program at A263251. %o A263253 (Scheme) %o A263253 ;; With memoization-macro definec. %o A263253 (definec (A263253 n) (if (zero? n) (A263251 n) (+ (A263251 n) (A263253 (- n 1))))) %Y A263253 Cf. A263250, A263252. %Y A263253 Cf. also A263085, A262516, A263278. %K A263253 nonn %O A263253 0,1 %A A263253 _Antti Karttunen_, Nov 07 2015